Home / 68,048,494,215.70-102,072,741,323.55-18,361,736,785.30

Finding the Fourth Proportional to 68,048,494,215.70, 102,072,741,323.55 and 18,361,736,785.30

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Solution

The fourth proportional to 68,048,494,215.70, 102,072,741,323.55 and 18,361,736,785.30 is: 27,542,605,177.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,048,494,215.70 : 102,072,741,323.55 = 18,361,736,785.30 : x
  2. Step 2: Convert to fraction form
    68,048,494,215.70/102,072,741,323.55 = 18,361,736,785.30/x
  3. Step 3: Cross multiply
    68,048,494,215.70x = 102,072,741,323.55 × 18,361,736,785.30
  4. Step 4: Simplify right side
    68,048,494,215.70x = 1,874,232,809,137,039,474,688
  5. Step 5: Solve for x
    x = 1,874,232,809,137,039,474,688/68,048,494,215.70
  6. Step 6: Final answer
    x = 27,542,605,177.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.